| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CLASS_REQUIRES_TRACE_METHOD_H_ |
| #define CLASS_REQUIRES_TRACE_METHOD_H_ |
| |
| #include "heap/stubs.h" |
| |
| namespace blink { |
| |
| class HeapObject; |
| |
| class PartObject { |
| DISALLOW_ALLOCATION(); |
| private: |
| Member<HeapObject> m_obj; |
| }; |
| |
| class HeapObject : public GarbageCollected<HeapObject> { |
| private: |
| PartObject m_part; |
| }; |
| |
| class Mixin : public GarbageCollectedMixin { |
| public: |
| virtual void trace(Visitor*) override; |
| Member<Mixin> m_self; |
| }; |
| |
| class HeapObjectMixin : public GarbageCollected<HeapObjectMixin>, public Mixin { |
| USING_GARBAGE_COLLECTED_MIXIN(HeapObjectMixin); |
| }; |
| |
| class Mixin2 : public Mixin { |
| public: |
| virtual void trace(Visitor*) override; |
| }; |
| |
| class HeapObjectMixin2 |
| : public GarbageCollected<HeapObjectMixin2>, public Mixin2 { |
| USING_GARBAGE_COLLECTED_MIXIN(HeapObjectMixin2); |
| }; |
| |
| class Mixin3 : public Mixin { |
| public: |
| virtual void trace(Visitor*) override; |
| }; |
| |
| class HeapObjectMixin3 |
| : public GarbageCollected<HeapObjectMixin3>, public Mixin { |
| USING_GARBAGE_COLLECTED_MIXIN(HeapObjectMixin2); |
| public: |
| virtual void trace(Visitor*) override; |
| }; |
| |
| } |
| |
| #endif |